(19)

(11)

EP 0 854 734 A1

(12)

(43) Date of publication: 29.07.1998 Bulletin 1998/31 (21) Application number: 96931831.0 (22) Date of filing: 27.09.1996

(51) International Patent Classification (IPC):  A61L 27/ 00( . ) A61F 2/ 28( . ) A61L 27/ 18( . ) A61F 2/ 02( . ) A61F 2/ 30( . ) A61L 27/ 58( . ) (86) International application number: PCT/FI1996/000511 (87) International publication number: WO 1997/011725 (03.04.1997 Gazette 1997/15)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 27.09.1995 FI 19950004566 (71) Applicant: BIOCON OY 33720 Tampere (FI)	(72) Inventors: POHJONEN, Timo FIN-33720 Tampere (FI) TÖRMÄLÄ, Pertti FIN-33720 Tampere (FI) (74) Representative: Allard, Susan Joyce, et al  BOULT WADE TENNANT, 27 Furnival Street London EC4A 1PQ London EC4A 1PQ (GB)